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प्रश्न
What are the methods of cancer detection? Describe the common approaches for treatment of cancer.
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उत्तर
Early detection of cancer is essential. The methods of cancer detection and diagnosis are as follows.
- Biopsy and histopathological studies of the tissue/blood/bone marrow.
- Tests for increased cell counts (in the case of leukaemia blood cancer).
- Techniques like radiography (use of X-rays), CT (computed tomography) and MRI (Magnetic Resonance Imaging) to detect cancers of the internal organs.
- Detection of cancer-specific antigens.
- Molecular biology techniques to detect genes in individuals with inherited susceptibility to certain cancers.
The common approaches for the treatment of cancer
- Surgical removal of tumour.
- Irradiation of tissue to kill cancerous cells.
- Immunotherapy using interferon to boost cancer cell killing.
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संबंधित प्रश्न
Name any two techniques that are useful in detecting cancers of internal organs.
How is a cancerous cell different from a normal cell?
What is cancer?
Differentiate between a benign tumor and a malignant tumor.
Name the main five types of cancer.
Inactive gene that can cause cancer is called ______.
antiviral proteins released by cells infected by the virus are called ______.
Enlist any four therapies used to treat a cancer patient.
Explain any four therapies used in treatment of cancer.
Cancer cells are more easily damaged by radiations than normal cells because they are ______.
Metastasis is associated with ______.
Carcinogens are cancer causing agents.
Blood cancer is called ______.
What is metastasis?
How is a cancer cell different from a normal cell?
Benign tumour is the one which
In malignant tumors, the cells proliferate, grow rapidly and move to other parts of the body to form new tumors. This stage of disease is called ______.
The immune system of a person is suppressed. In the ELISA test, he was found positive to a pathogen.
- Name the disease the patient is suffering from.
- What is the causative organism?
- Which cells of body are affected by the pathogen?
In the given flow diagram, the replication of retrovirus in a host is shown. Observe and answer the following questions.
Fill in (1) and (2)
Why is the virus called retrovirus?
Can the infected cell survive while viruses are being replicated and released?
Cancer is generally caused due to activation of ______ to ______ and/or inactivation of ______.
